A Disaster Prevention System for the protection of the DEC-VAX assets.

Within the computer room, smoke/fire detectors have been positioned approximately one every 25ft. about the perimeter of the room; care was taken to be sure that such ancillary rooms as the Tape Library were not over looked.

As this installation was an addition to an operating computer facility, spot water detectors were selected and were positioned under each of the two air-conditioning units in the room as well as near the geometric center. [Note: in rooms without a bundle of 'spaghetti' wire under the floor, a 'rolling marble' test can be quite effective in locating the lowest point on the floor and an appropriate place for a water detector.]

Temperature Sensors had been deployed to east and west sections of the room, and an Air-Flow Sensor was located in the draft of the main air-conditioning duct to monitor for possible ventilation failures. A single Humidity Detector is provided to monitor moisture levels in the air.

AC Power Quality is monitored from a 'raw' AC outlet (not one conditioned and supported by the UPS systems) to check for over voltage, under voltage, spikes, drops and black-outs (which would indicate likely transfer of computing loads to UPS back-up).

An Intrusion Detector is positioned so that its arc of view includes the single door access to the room. A detector using both micro-wave and infra-red sensing is employed as this 'dual' technique is insensitive to the motions normally occurring in an unattended computer room: disk drives spinning, printers printing, and tapes shuttling back and forth.

CASE #1:
Computer Room Layout with Installed Disaster Prevention System

DPS = Disaster Prevention System

M = Modem

A = Air-Flow Sensor

P = Power Quality Monitor

D = Voice Auto Dialer

S = Smoke Detector

H = Humidity Sensor

T = Temperature Sensor

I = Intrusion Detector

W = Water Detector

Click Here to Return to Table of Contents

INTRA COMPUTER, Inc. , 2005-Present